CVE-2022-28370: On Verizon 5G Home LVSKIHP OutDoorUnit (ODU) 3.33.101.0 devices, the RPC endpoint crtc_fw_upgrade provides a m

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HIGH 7.5REMOTEMITIGATE

CVE-2022-28370 is a high-severity flaw (CVSS 7.5) affecting lvskihp outdoorunit firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

On Verizon 5G Home LVSKIHP OutDoorUnit (ODU) 3.33.101.0 devices, the RPC endpoint crtc_fw_upgrade provides a means of provisioning a firmware update for the device. /lib/functions/wnc_jsonsh/wnc_crtc_fw.sh has no cryptographic validation of the image, thus allowing an attacker to modify the installed firmware.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-345
Published	2022-07-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: verizon

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-07-14 13:15 UTCPublished CVE record published
2026-06-17 04:38 UTCUpdated Record last modified

verizon lvskihp outdoorunit firmware MITIGATE

Affected: 3.33.101.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.33.101.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-28370?

lvskihp outdoorunit firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-28370 being exploited?

CVE-2022-28370 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-28370 affect?

CVE-2022-28370 affects lvskihp outdoorunit firmware. Severity is high (CVSS 7.5). On Verizon 5G Home LVSKIHP OutDoorUnit (ODU) 3.33.101.0 devices, the RPC endpoint crtc_fw_upgrade provides a means of provisioning a firmware update for the device. /lib/functions/wnc_jsonsh/wnc_crtc_fw.sh has no cryptographic validation of

How urgent is CVE-2022-28370?

Priority 44/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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CVE-2022-28371 HIGH 7.5 MITIGATE MITIGATE On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and

References

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